/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package diet.controller;

import diet.XMLUtils.Foods;
import diet.XMLUtils.XMLUltis;
import diet.dto.FoodDTO;
import diet.utils.ConvertVietNamese;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

/**
 *
 * @author Vrety
 */
public class AjaxSearchFoodServlet extends HttpServlet {

    private XMLUltis xu = null;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            // request.setCharacterEncoding("UTF-8");
            String foodname = request.getParameter("foodName");
            ConvertVietNamese cv = new ConvertVietNamese();
            foodname = cv.toStringNoAccent(foodname);

            xu = new XMLUltis();
            Foods listFood = new Foods();
            listFood.setFood(xu.searchFood(getServletContext().getRealPath("/"), foodname.toLowerCase()));

            JAXBContext ctx = JAXBContext.newInstance(listFood.getClass());
            Marshaller mar = ctx.createMarshaller();
            mar.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
            mar.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);

            response.setContentType("text/xml");
            response.setCharacterEncoding("UTF-8");
            mar.marshal(listFood, out);


        } catch (JAXBException ex) {
            Logger.getLogger(AjaxSearchFoodServlet.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
